When red litmus paper comes into contact with any alkaline substance, it turns blue. Some examples of alkaline substances are ammonia gas, milk of magnesia, baking soda and limewater
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roxanmarianogutierre
di po ako marunong mag brainliest ng answer:(( pero Maraming maraming salamat po sa sagot nyoo<3
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Answer:
When red litmus paper comes into contact with any alkaline substance, it turns blue. Some examples of alkaline substances are ammonia gas, milk of magnesia, baking soda and limewater